<template>
  <div class="person">
    <h2>当前求和为：{{ sum }}</h2>
    <button @click="add">点击+1</button>
  </div>
</template>

<script lang="ts" setup name="Person1">
    //引入
    import {ref,onBeforeMount,onMounted,onBeforeUpdate,onUpdated,onBeforeUnmount,onUnmounted} from 'vue'
    //数据
    let sum =ref(0);
    //方法
    function add(){
        sum.value++
    }

    //创建
    console.log("创建");
    //挂载
    onBeforeMount(()=>{
        console.log("挂载前");
    })
    onMounted(()=>{
        console.log("挂载完毕");
        
    })
    //更新
    onBeforeUpdate(()=>{
        console.log("更新前");
    })
    onUpdated(()=>{
        console.log("更新完毕");
    })
    //卸载
    onBeforeUnmount(()=>{
        console.log("卸载前");
    })
    onUnmounted(()=>{
        console.log("卸载完毕");
        
    })

</script>

<style scoped>
.person{
    background-color: #8eace8;
    box-shadow: 0 0 10px;
    border-radius: 10px;
}
</style>